swa1501 the swa1501 is a 15-inch high-output active subwoofer system it features a high-precision 15-inch transducer combined with application-specific amplifier technology the system is composed of a single compact subwoofer cabinet with built-in control and amplifier electronics active subwoofer system the transducer used in the swa1501 system features a 3-inch voice coil that offers extreme power handling capabilities the magnetic assembly used features advancements in coil venting and structural cooling that provide lower temperature rise and substantially improved power compression characteristics the amplifier found in the swa1501 cabinet is an example of application-specific amplifier design that can be exercised when designing active speaker systems the system uses a proprietary high-efficiency high-current amplifier designed to provide high current levels at all levels of operation having access to high current levels no matter what the power output is absolutely critical in a
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speaker swa1501 system acoustic acoustic performance 3 db response 10 db response max spl long-term max spl peak crossover point input/output input input impedance loop-through high pass output level control active subwoofer system safety features protection display swa1501 technical specifications 47 hz120 hz 36 hz120 hz 125 db 128 db 120 hz low-frequency dynamic bass protection rms limiting power supply and amplifier thermal protection signal present limit power on and thermal cool down auto-reset leds swa1501 stereo bal unbal female xlr 50 k stereo bal unbal male xlr stereo bal unbal male xlr recessed rotating knob center detent 15 to +5 db phase control 0° 180° recessed sliding switch amplifier total amplifier power 500 w continuous 700 w peak type high-efficiency high-current class g hybrid rated thd .03 rated power is continuous rms wattage into transducer s rated impedance 100 hz transducer number of drivers woofer size voice coil diameter diaphragm material magnet type
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active subwoofer system swa1501 on-axis frequency response with second and third harmonic components spl 100 db 100 hz ref 110 100 90 80 70 60 50 40 20 100 1000 10000 20000 swa1501 frequency response on-axis fundamental second third frequency hz swa1501 rear panel connector plate limit parallel signal thermal power thru full range output full range input subwoofer control normal high pass mid/high freq output 120hz l l in r subwoofer level out normal r rev 180 phase 3 of 4 pages swa1501 speaker swa1501
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speaker swa1501 active subwoofer system thermal protection shall be provided by a heat sink-mounted thermal sensor which monitors the heat sink temperature and triggers the thermal protection circuit should the temperature exceed 140° f 60° c the thermal led shall light and the input signal shall be muted until the heat sink cools to a safe operating level at which point the thermal protection circuit auto-resets and normal operation resumes overload protection shall be provided by a limiter circuit which monitors the amplifier output and reduces the input level to the amplifier should the amplifier output begin to clip the enclosure shall have a rectangular shape and shall incorporate two side handles one on each side and a top-mounted pole receptacle the enclosure shall be constructed of multi-ply wood the active subwoofer loudspeaker system shall be the mackie swa1501 architects and engineers specifications the active subwoofer loudspeaker system shall incorporate one 15-inch low
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